Which operation is NOT closed for polynomials? A) (x ^ 3 + 4x ^ 2 + 2x - 5) + (x ^ 2 + 3x + 1) B ) (x ^ 3 + 4x ^ 2 + 2x - 5) - (x ^ 2 + 3x + 1) (x ^ 3 + 4x ^ 2 + 2x - 5)(x ^ 2 + 3x + 1) ) (x^ 3 +4x^ 2 +2x-5) 1x^ 2 +3x+1)

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

answer: (3,11) is your answer.

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step-by-step explanation:

google xd